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Precision Thread Plug Gauge Tol. ISO1 (4H) metric STI-Thread - M 12 x 1.75

Name: Precision Thread Plug Gauge Tol. ISO1 (4H) metric STI-Thread - M 12 x 1.75
Brand: VOLKEL
SKU: 19621
Price: 1996000.0 VND
Availability: OutOfStock

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Imported from: Germany

Origin: Made in Germany

Precision Thread Plug Gauge Tol. ISO1 (4H) metric STI-Thread - M 12 x 1.75 by VÖLKEL, item no. 19621, suitable for thread inspection and quality control.

SKU: 19621

1.996.000 đ

Price includes VAT

Description

Precision Thread Plug Gauge Tol. ISO1 (4H) metric STI-Thread - M 12 x 1.75

You use this gauge to check an internal thread against defined limits during setup and inspection. You can use it to separate acceptable from non acceptable threads quickly in serial checks.

Use it as a comparative check; if the thread feels abnormal, investigate burrs, plating, or deformation before rejecting parts. M indicates an ISO metric thread, where you match nominal size and pitch to the mating thread.

Application

Inspect internal threads during setup, in process checks, or final inspection.
Use it for acceptance decisions on threaded holes before assembly or coating steps.
Apply the gauge by hand to evaluate fit and detect damage such as burrs or dents.
Process: manual driving or assisted driving depending on your holder and machine setup
Use: thread cutting, re tapping, and thread cleaning depending on condition

Note For consistent results, deburr the entry and keep the cutting area clean during use.

Benefits

Fast pass fail decision without complex measurement equipment
Supports stable process control in serial production and incoming inspection
Helps identify handling damage such as burrs, dents, or thread pull out
Reduces assembly issues by filtering non conforming threads early

Drawbacks

Not suitable for determining the exact deviation of thread geometry; it is a limit check.
Requires clean threads and careful hand feel; forcing can damage the gauge and the part.

Step by step

Clean the threaded hole and remove oil, chips, and burrs from the entry.
Visually check the thread for dents, plating build up, or deformation.
Identify the GO and NO GO sides when the gauge has separate ends.
Insert the GO side by hand and turn with light finger force until it seats or stops.
Try the NO GO side by hand and stop as soon as resistance increases.
If the feel is inconsistent, clean again and repeat the check with the same handling.
Record the result and protect the gauge with a light corrosion protection film after use.

Scope of supply

1 piece Precision Thread Plug Gauge Tol. ISO1 (4H) metric STI-Thread - M 12 x 1.75

Technical features

Type: Thread plug gauge for internal threads
Tolerance: ISO1
Thread system: M

Frequently asked questions (FAQ)

How do you use this gauge without damaging the thread? Clean the thread first and apply the gauge by hand only. Stop at first abnormal resistance and investigate contamination or burrs before you decide on acceptance. What does the designation M 12 x 1.75 tell you? It states the exact thread form and size that the gauge is made for, including pitch information when it is part of the designation. Use only on matching thread designations. What does tolerance ISO1 mean in practice? It indicates the tolerance zone that the gauge is manufactured for. Use the gauge together with the correct drawing and standard so the acceptance decision matches your specification. Where can you find catalog information for this product family? Use the product catalog for overview tables and selection context. VG 23 catalog as PDF How do you handle borderline results? Repeat the check after cleaning and keep handling consistent. If the feel changes between checks, inspect the thread for damage, plating build up, or deformation. How do you store and protect the gauge? Keep it clean and lightly protected against corrosion. Store it in a protective case and avoid contact with other hardened tools to prevent nicks.

Do you need help selecting or using the product?
Use the contact form.

Specifications

Type of thread	metric STI-Thread
Tolerance	ISO1 (4H)
Size	M 12 x 1.75
EAN	4022835196211
Item number	19621
Thread standard	DIN 13

Optional Accessories

SKU	Price VNĐ	Product name & short description
05221	19.000	V-COIL Wire thread insert Screw locking type SL M 12 x 1.75 - 1.0 D (100 pcs.) V-COIL Wire thread insert Screw locking type SL M 12 x 1.75 - 1.0 D (100 pcs.) by VÖLKEL, item no. 05221, suitable for thread repair and reinforcement.
05321	27.000	V-COIL Wire thread insert Screw locking type SL M 12 x 1.75 - 1.5 D (100 pcs.) V-COIL Wire thread insert Screw locking type SL M 12 x 1.75 - 1.5 D (100 pcs.) by VÖLKEL, item no. 05321, suitable for thread repair and reinforcement.
05421	21.000	V-COIL Wire thread insert Screw locking type SL M 12 x 1.75 - 2.0 D (100 pcs.) V-COIL Wire thread insert Screw locking type SL M 12 x 1.75 - 2.0 D (100 pcs.) by VÖLKEL, item no. 05421, suitable for thread repair and reinforcement.
07221	16.000	V-COIL Wire thread insert Free running type S M 12 x 1.75 - 1.0 D (100 pcs.) V-COIL Wire thread insert Free running type S M 12 x 1.75 - 1.0 D (100 pcs.) by VÖLKEL, item no. 07221, suitable for thread repair and reinforcement.
07321	17.000	V-COIL Wire thread insert Free running type S M 12 x 1.75 - 1.5 D (100 pcs.) V-COIL Wire thread insert Free running type S M 12 x 1.75 - 1.5 D (100 pcs.) by VÖLKEL, item no. 07321, suitable for thread repair and reinforcement.
07421	19.000	V-COIL Wire thread insert Free running type S M 12 x 1.75 - 2.0 D (100 pcs.) V-COIL Wire thread insert Free running type S M 12 x 1.75 - 2.0 D (100 pcs.) by VÖLKEL, item no. 07421, suitable for thread repair and reinforcement.
07521	23.000	V-COIL Wire thread insert Free running type S M 12 x 1.75 - 2.5 D (100 pcs.) V-COIL Wire thread insert Free running type S M 12 x 1.75 - 2.5 D (100 pcs.) by VÖLKEL, item no. 07521, suitable for thread repair and reinforcement.
07621	27.000	V-COIL Wire thread insert Free running type S M 12 x 1.75 - 3.0 D (100 pcs.) V-COIL Wire thread insert Free running type S M 12 x 1.75 - 3.0 D (100 pcs.) by VÖLKEL, item no. 07621, suitable for thread repair and reinforcement.